Home / 326,342.28-489,660.32-176,407.04

Finding the Fourth Proportional to 326,342.28, 489,660.32 and 176,407.04

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Solution

The fourth proportional to 326,342.28, 489,660.32 and 176,407.04 is: 264,689.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,342.28 : 489,660.32 = 176,407.04 : x
  2. Step 2: Convert to fraction form
    326,342.28/489,660.32 = 176,407.04/x
  3. Step 3: Cross multiply
    326,342.28x = 489,660.32 × 176,407.04
  4. Step 4: Simplify right side
    326,342.28x = 86,379,527,656.65
  5. Step 5: Solve for x
    x = 86,379,527,656.65/326,342.28
  6. Step 6: Final answer
    x = 264,689.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.